4daf95d607
memory_region_allocate_system_memory() API is going away, so replace it with memdev allocated MemoryRegion. The later is initialized by generic code, so board only needs to opt in to memdev scheme by providing MachineClass::default_ram_id and using MachineState::ram instead of manually initializing RAM memory region. PS: remove no longer needed DigicBoardState PS2: while at it add check for user supplied RAM size and error out if it mismatches board expected value. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Andrew Jones <drjones@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20200219160953.13771-14-imammedo@redhat.com>
158 lines
4.6 KiB
C
158 lines
4.6 KiB
C
/*
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* QEMU model of the Canon DIGIC boards (cameras indeed :).
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*
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* Copyright (C) 2013 Antony Pavlov <antonynpavlov@gmail.com>
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*
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* This model is based on reverse engineering efforts
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* made by CHDK (http://chdk.wikia.com) and
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* Magic Lantern (http://www.magiclantern.fm) projects
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* contributors.
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*
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* See docs here:
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* http://magiclantern.wikia.com/wiki/Register_Map
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include "qemu/osdep.h"
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#include "qapi/error.h"
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#include "qemu-common.h"
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#include "cpu.h"
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#include "hw/boards.h"
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#include "exec/address-spaces.h"
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#include "qemu/error-report.h"
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#include "hw/arm/digic.h"
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#include "hw/block/flash.h"
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#include "hw/loader.h"
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#include "sysemu/sysemu.h"
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#include "sysemu/qtest.h"
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#include "qemu/units.h"
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#include "qemu/cutils.h"
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#define DIGIC4_ROM0_BASE 0xf0000000
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#define DIGIC4_ROM1_BASE 0xf8000000
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#define DIGIC4_ROM_MAX_SIZE 0x08000000
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typedef struct DigicBoard {
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void (*add_rom0)(DigicState *, hwaddr, const char *);
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const char *rom0_def_filename;
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void (*add_rom1)(DigicState *, hwaddr, const char *);
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const char *rom1_def_filename;
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} DigicBoard;
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static void digic4_board_init(MachineState *machine, DigicBoard *board)
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{
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Error *err = NULL;
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DigicState *s = DIGIC(object_new(TYPE_DIGIC));
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MachineClass *mc = MACHINE_GET_CLASS(machine);
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if (machine->ram_size != mc->default_ram_size) {
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char *sz = size_to_str(mc->default_ram_size);
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error_report("Invalid RAM size, should be %s", sz);
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g_free(sz);
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exit(EXIT_FAILURE);
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}
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object_property_set_bool(OBJECT(s), true, "realized", &err);
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if (err != NULL) {
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error_reportf_err(err, "Couldn't realize DIGIC SoC: ");
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exit(1);
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}
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memory_region_add_subregion(get_system_memory(), 0, machine->ram);
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if (board->add_rom0) {
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board->add_rom0(s, DIGIC4_ROM0_BASE, board->rom0_def_filename);
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}
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if (board->add_rom1) {
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board->add_rom1(s, DIGIC4_ROM1_BASE, board->rom1_def_filename);
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}
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}
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static void digic_load_rom(DigicState *s, hwaddr addr,
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hwaddr max_size, const char *def_filename)
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{
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target_long rom_size;
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const char *filename;
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if (qtest_enabled()) {
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/* qtest runs no code so don't attempt a ROM load which
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* could fail and result in a spurious test failure.
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*/
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return;
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}
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if (bios_name) {
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filename = bios_name;
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} else {
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filename = def_filename;
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}
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if (filename) {
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char *fn = qemu_find_file(QEMU_FILE_TYPE_BIOS, filename);
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if (!fn) {
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error_report("Couldn't find rom image '%s'.", filename);
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exit(1);
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}
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rom_size = load_image_targphys(fn, addr, max_size);
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if (rom_size < 0 || rom_size > max_size) {
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error_report("Couldn't load rom image '%s'.", filename);
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exit(1);
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}
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g_free(fn);
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}
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}
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/*
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* Samsung K8P3215UQB
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* 64M Bit (4Mx16) Page Mode / Multi-Bank NOR Flash Memory
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*/
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static void digic4_add_k8p3215uqb_rom(DigicState *s, hwaddr addr,
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const char *def_filename)
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{
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#define FLASH_K8P3215UQB_SIZE (4 * 1024 * 1024)
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#define FLASH_K8P3215UQB_SECTOR_SIZE (64 * 1024)
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pflash_cfi02_register(addr, "pflash", FLASH_K8P3215UQB_SIZE,
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NULL, FLASH_K8P3215UQB_SECTOR_SIZE,
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DIGIC4_ROM_MAX_SIZE / FLASH_K8P3215UQB_SIZE,
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4,
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0x00EC, 0x007E, 0x0003, 0x0001,
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0x0555, 0x2aa, 0);
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digic_load_rom(s, addr, FLASH_K8P3215UQB_SIZE, def_filename);
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}
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static DigicBoard digic4_board_canon_a1100 = {
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.add_rom1 = digic4_add_k8p3215uqb_rom,
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.rom1_def_filename = "canon-a1100-rom1.bin",
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};
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static void canon_a1100_init(MachineState *machine)
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{
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digic4_board_init(machine, &digic4_board_canon_a1100);
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}
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static void canon_a1100_machine_init(MachineClass *mc)
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{
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mc->desc = "Canon PowerShot A1100 IS";
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mc->init = &canon_a1100_init;
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mc->ignore_memory_transaction_failures = true;
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mc->default_ram_size = 64 * MiB;
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mc->default_ram_id = "ram";
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}
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DEFINE_MACHINE("canon-a1100", canon_a1100_machine_init)
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